| 摘要 |
A method for adjusting a loudness of an announcement sound signal relative to a loudness of an entertainment sound signal, the method including the steps of determining the loudness of the entertainment sound signal, and adjusting the loudness of the announcement sound signal relative to the entertainment sound signal by determining a self-adaptive gain offset of the announcement sound signal relative to the entertainment sound signal, the self-adaptive gain offset adapting to the auditory perception of a user to which the entertainment sound signal and the announcement sound signal are output.
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